Golf bag



FIG. 1 is a front perspective view of a golf bag showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a right side elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines in FIG. 7 are illustrative of environment and form no part of the claimed design. 

The ornamental design for a golf bag, as shown and described. 